Nissan Sentra 2020 — technical service bulletin
Bulletin NTB21-031 · NHTSA communication 10197112 · issued May 18, 2021
Technical service bulletin
communication type
Electrical System
component
2020
model years
1
vehicle entries
Official summary
BCM REPROGRAM TO DISABLE FOG LAMP OPERATION DURING HIGH BEAM OPERATION IF YOU CONFIRM The vehicle is in Pennsylvania and the fog lamps remain ON during high beam operation. ACTION Reprogram the BCM.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.